{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Grape+Extract&page=4",
    "query": {
      "intervention": "Grape Extract",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 112,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Grape+Extract&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Grape+Extract&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T22:02:06.069Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03203915",
      "title": "Metabolic Response to Chardonnay Grape Marc Powder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyslipidemia",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Chardonnay grape marc marc high polyphenol dose (120mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Chardonnay grape marc powder low polyphenol dose (75mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (0mg)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 31,
      "start_date": "2017-08-01",
      "completion_date": "2019-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203915"
    },
    {
      "nct_id": "NCT03194659",
      "title": "Synergy Between Choline and DHA",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Choline",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 40 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2017-10-05",
      "completion_date": "2021-12-05",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03194659"
    },
    {
      "nct_id": "NCT07886385",
      "title": "Differential Absorption Kinetics of Grape Seed Extract Polyphenols",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "MN-BP Grape Seed Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Commercially Available Grape Seed Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gen 2 GSE - Monomer-Enriched",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gen 2 GSE - Oligomer-Enriched",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gen 2 GSE - Polymer-Enriched",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gen 2 GSE - Mixture",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2026-10-20",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07886385"
    },
    {
      "nct_id": "NCT06118580",
      "title": "Neural Correlates During Alcohol Intoxication",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Intermittent Explosive Disorder"
      ],
      "interventions": [
        {
          "name": "Alcohol (Ethanol)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 144,
      "start_date": "2023-06-08",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06118580"
    },
    {
      "nct_id": "NCT07231484",
      "title": "Effects of Grape Consumption on the Immune-Gut Axis in Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity &Amp; Overweight"
      ],
      "interventions": [
        {
          "name": "Freeze-dried grape powder",
          "type": "OTHER"
        },
        {
          "name": "Placebo powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-12-19",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07231484"
    },
    {
      "nct_id": "NCT03916692",
      "title": "GRAPE • Glycemic Response of Amylopectin Containing Drinks",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glycemic Index"
      ],
      "interventions": [
        {
          "name": "Carbohydrate drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Energy smart Carbohydrate blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liquid Dextrose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "30 Years to 55 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2019-04-23",
      "completion_date": "2021-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-09-08",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916692"
    },
    {
      "nct_id": "NCT03361410",
      "title": "Impact of Grape Consumption on Brain Metabolism and Neuropsychological Performance Over 1 Year",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Grape Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 32,
      "start_date": "2017-11-18",
      "completion_date": "2022-10-15",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03361410"
    },
    {
      "nct_id": "NCT01190358",
      "title": "Grape Seed Extract and Postprandial Oxidation and Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Grape seed extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2010-08",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 2,
      "location_summary": "Davis, California • Mather, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Mather",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01190358"
    },
    {
      "nct_id": "NCT01995643",
      "title": "Acute Effects of Grape Seed Extract on Insulin Sensitivity and Oxidative Stress and Inflammation Markers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polyphenolic Compounds and Metabolism"
      ],
      "interventions": [
        {
          "name": "Active Capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Capsule",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2013-10-01",
      "completion_date": "2014-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-27",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01995643"
    },
    {
      "nct_id": "NCT04515004",
      "title": "Leucoselect Phytosome for Neoadjuvant Treatment of Early Stage Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Early Stage Lung Cancer (I and II)"
      ],
      "interventions": [
        {
          "name": "leucoselect phytosome",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2023-11-20",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-26T22:02:06.069Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04515004"
    }
  ]
}